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What is the correct protocol sequence when opening a TCP session?
Correct Answer: B
Explanation: Explanations:This is the correct order of a TCP session, the user send a "SYN" packet to the server (ask the server for a connection), the server sends to the user a "SYN/ACK" packet (telling the client that he is going to open a port for the connection and giving his ACK), then the user send the server an ACK (to complete the negotiation of the session), once this 3 way handshake process is done, the two sides can begin the exchange of data.